var assert = require("assert")
var Buffer = require("safer-buffer").Buffer
var join = require("path").join
var iconv = require(join(__dirname, "/../"))

var ascii = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f" +
           " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~\x7f"

var encodings = [{
  name: "windows1254",
  variations: ["windows-1254", "win-1254", "win1254", "cp1254", "cp-1254", 1254],
  strings: {
    empty: "",
    ascii: ascii,
    turkish: "€‚ƒ„…†‡ˆ‰Š‹Œ‘’“”•–—˜™š›œŸ¡¢£¤¥¦§¨©ª«¬®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏĞÑÒÓÔÕÖ×ØÙÚÛÜİŞßàáâãäåæçèéêëìíîïğñòóôõö÷øùúûüışÿ",
    untranslatable: "\x81\x8d\x8e\x8f\x90\x9d\x9e"
  },
  encodedStrings: {
    empty: Buffer.from(""),
    ascii: Buffer.from(ascii, "binary"),
    turkish: Buffer.from(
      "\x80\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c" +
            "\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9f" +
            "\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xae\xaf" +
            "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf" +
            "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf" +
            "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf" +
            "\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef" +
            "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff",
      "binary")
  }
}, {
  name: "iso88599",
  variations: ["iso-8859-9", "turkish", "turkish8", "cp28599", "cp-28599", 28599],
  strings: {
    empty: "",
    ascii: ascii,
    turkish: "\xa0¡¢£¤¥¦§¨©ª«¬\xad®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏĞÑÒÓÔÕÖ×ØÙÚÛÜİŞßàáâãäåæçèéêëìíîïğñòóôõö÷øùúûüışÿ",
    untranslatable: ""
  },
  encodedStrings: {
    empty: Buffer.from(""),
    ascii: Buffer.from(ascii, "binary"),
    turkish: Buffer.from(
      "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf" +
            "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf" +
            "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf" +
            "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf" +
            "\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef" +
            "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff",
      "binary")
  }
}]

describe("Test Turkish encodings", function () {
  encodings.forEach(function (encoding) {
    var enc = encoding.variations[0]
    var key = "turkish"
    describe(encoding.name + ":", function () {
      it("Convert from buffer", function () {
        for (var key in encoding.encodedStrings) {
          assert.strictEqual(iconv.decode(encoding.encodedStrings[key], enc),
            encoding.strings[key])
        }
      })

      it("Convert to buffer", function () {
        for (var key in encoding.encodedStrings) {
          assert.strictEqual(iconv.encode(encoding.strings[key], enc).toString("binary"),
            encoding.encodedStrings[key].toString("binary"))
        }
      })

      it("Try different variations of encoding", function () {
        encoding.variations.forEach(function (enc) {
          assert.strictEqual(iconv.decode(encoding.encodedStrings[key], enc), encoding.strings[key])
          assert.strictEqual(iconv.encode(encoding.strings[key], enc).toString("binary"), encoding.encodedStrings[key].toString("binary"))
        })
      })

      it("Untranslatable chars are converted to defaultCharSingleByte", function () {
        var expected = encoding.strings.untranslatable.split("").map(function (c) { return iconv.defaultCharSingleByte }).join("")
        assert.strictEqual(iconv.encode(encoding.strings.untranslatable, enc).toString("binary"), expected) // Only '?' characters.
      })
    })
  })
})
